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BOSTON MARATHON 2026

Cecilia Diaz

Bib: 19864•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:38
3.11 mi
Rank: #16405
Start → 5K
24:38 | 7:56/mi
10K
48:46
6.21 mi
Rank: #15897 (+508)
5K → 10K
24:08 | 7:47/mi
15K
1:13:00
9.32 mi
Rank: #15704 (+193)
10K → 15K
24:14 | 7:48/mi
20K
1:37:24
12.43 mi
Rank: #15469 (+235)
15K → 20K
24:24 | 7:52/mi
HALF
1:42:51
13.11 mi
Rank: #15533 (-64)
20K → HALF
5:27 | 8:00/mi
25K
2:01:49
15.53 mi
Rank: #15276 (+257)
HALF → 25K
18:58 | 7:50/mi
30K
2:27:03
18.64 mi
Rank: #15090 (+186)
25K → 30K
25:14 | 8:08/mi
20M
2:38:12
20.00 mi
Rank: #15024 (+66)
30K → 20M
11:09 | 8:13/mi
21M
2:47:21
21.00 mi
Rank: #15111 (-87)
20M → 21M
9:09 | 9:09/mi
35K
2:53:34
21.75 mi
Rank: #15171 (-60)
21M → 35K
6:13 | 8:19/mi
23M
3:04:57
23.00 mi
Rank: #15451 (-280)
35K → 23M
11:23 | 9:06/mi
24M
3:13:24
24.00 mi
Rank: #15506 (-55)
23M → 24M
8:27 | 8:27/mi
40K
3:20:44
24.85 mi
Rank: #15524 (-18)
24M → 40K
7:20 | 8:35/mi
25.2M
3:24:11
25.20 mi
Rank: #15599 (-75)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:32:36
26.22 mi
Rank: #15650 (-51)
25.2M → FINISH
8:25 | 8:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:49:45
Pace8:23 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:5324:387:5624:38
7:56
-
10K
6.21 mi11:33:0148:467:5124:08
7:47
-0:09
15K
9.32 mi11:57:151:13:007:5024:14
7:48
+0:01
20K
12.43 mi12:21:391:37:247:5124:24
7:52
+0:04
HALF
13.11 mi12:27:061:42:517:515:27
8:00
+0:08
25K
15.53 mi12:46:042:01:497:5118:58
7:50
-0:10
30K
18.64 mi13:11:182:27:037:5425:14
8:08
+0:18
20M
20.00 mi13:22:272:38:127:5511:09
8:13
+0:05
21M
21.00 mi13:31:362:47:217:599:09
9:09
+0:56
35K
21.75 mi13:37:492:53:347:596:13
8:19
-0:50
23M
23.00 mi13:49:123:04:578:0311:23
9:06
+0:47
24M
24.00 mi13:57:393:13:248:048:27
8:27
-0:39
40K
24.85 mi14:04:593:20:448:057:20
8:35
+0:08
25.2M
25.20 mi14:08:263:24:118:073:27
10:01
+1:26
FINISH
26.22 mi14:16:513:32:368:078:25
8:16
-1:45

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:47 /mi

Average Pace

8:07 /mi

Slowest Pace

10:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:31:44

43% of race

Time at Steady Pace

1:29:33

42% of race

Time at Slower Pace

31:19

15% of race

Average Pace: 8:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:08:5324:387:5624:38
7:56
#16405
10K
6.21 mi11:33:0148:467:5124:08
7:47
#15897
15K
9.32 mi11:57:151:13:007:5024:14
7:48
#15704
20K
12.43 mi12:21:391:37:247:5124:24
7:52
#15469
HALF
13.11 mi12:27:061:42:517:515:27
8:00
#15533
25K
15.53 mi12:46:042:01:497:5118:58
7:50
#15276
30K
18.64 mi13:11:182:27:037:5425:14
8:08
#15090
20M
20.00 mi13:22:272:38:127:5511:09
8:13
#15024
21M
21.00 mi13:31:362:47:217:599:09
9:09
#15111
35K
21.75 mi13:37:492:53:347:596:13
8:19
#15171
23M
23.00 mi13:49:123:04:578:0311:23
9:06
#15451
24M
24.00 mi13:57:393:13:248:048:27
8:27
#15506
40K
24.85 mi14:04:593:20:448:057:20
8:35
#15524
25.2M
25.20 mi14:08:263:24:118:073:27
10:01
#15599
FINISH
26.22 mi14:16:513:32:368:078:25
8:16
#15650
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi164055565556515366(Top 53%)4959(Top 39%)4959(Top 285%)
10K6.21 mi3.10 mi15897+5085262+3035262+30315351(Top 53%)4921(Top 39%)4921(Top 283%)
15K9.32 mi3.11 mi15704+1935159+1035159+10315366(Top 53%)4959(Top 39%)4959(Top 285%)
20K12.43 mi3.11 mi15469+2355032+1275032+12714966(Top 52%)4778(Top 38%)4778(Top 275%)
HALF13.11 mi0.68 mi15533-645078-465078-4617100(Top 59%)5959(Top 47%)5959(Top 343%)
25K15.53 mi2.42 mi15276+2574927+1514927+15114030(Top 48%)4319(Top 34%)4319(Top 249%)
30K18.64 mi3.11 mi15090+1864846+814846+8114383(Top 50%)4628(Top 37%)4628(Top 266%)
20M20.00 mi1.36 mi15024+664843+34843+314356(Top 49%)4688(Top 37%)4688(Top 270%)
21M21.00 mi1.00 mi15111-874923-804923-8016927(Top 58%)6205(Top 49%)6205(Top 357%)
35K21.75 mi0.75 mi15171-604969-464969-4616504(Top 57%)6028(Top 48%)6028(Top 347%)
23M23.00 mi1.25 mi15451-2805163-1945163-19418960(Top 65%)7443(Top 59%)7443(Top 428%)
24M24.00 mi1.00 mi15506-555206-435206-4316608(Top 57%)6235(Top 50%)6235(Top 359%)
40K24.85 mi0.85 mi15524-185238-325238-3216164(Top 56%)6058(Top 48%)6058(Top 349%)
25.2M25.20 mi0.35 mi15599-755301-635301-6319440(Top 67%)7773(Top 62%)7773(Top 447%)
FINISH26.22 mi1.02 mi15650-515344-435344-4316788(Top 58%)6385(Top 51%)6385(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15366

Females

4959

F40-44

4959

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15351

Females

4921

F40-44

4921

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15366

Females

4959

F40-44

4959

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

14966

Females

4778

F40-44

4778

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17100

Females

5959

F40-44

5959

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

14030

Females

4319

F40-44

4319

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14383

Females

4628

F40-44

4628

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14356

Females

4688

F40-44

4688

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16927

Females

6205

F40-44

6205

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16504

Females

6028

F40-44

6028

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18960

Females

7443

F40-44

7443

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16608

Females

6235

F40-44

6235

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16164

Females

6058

F40-44

6058

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19440

Females

7773

F40-44

7773

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16788

Females

6385

F40-44

6385

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2257*
Passed By
1383
Net Change
+755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16405
5K → 10K609*101+508#16405#15897
10K → 15K310*117+193#15897#15704
15K → 20K296*61+235#15704#15469
20K → HALF2387-64#15469#15533
HALF → 25K280*23+257#15533#15276
25K → 30K298*112+186#15276#15090
30K → 20M12559+66#15090#15024
20M → 21M71158-87#15024#15111
21M → 35K42102-60#15111#15171
35K → 23M39200-280#15171#15451
23M → 24M51106-55#15451#15506
24M → 40K5775-18#15506#15524
40K → 25.2M1388-75#15524#15599
25.2M → FINISH4394-51#15599#15650
TOTALS2257*1383+755

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing